1343343251 has 2 divisors, whose sum is σ = 1343343252. Its totient is φ = 1343343250.

The previous prime is 1343343241. The next prime is 1343343259. The reversal of 1343343251 is 1523433431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1343343251 is a prime.

It is not a weakly prime, because it can be changed into another prime (1343343259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671671625 + 671671626.

It is an arithmetic number, because the mean of its divisors is an integer number (671671626).

Almost surely, 2^1343343251 is an apocalyptic number.

1343343251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1343343251 is an equidigital number, since it uses as much as digits as its factorization.

1343343251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

The square root of 1343343251 is about 36651.6473163213. The cubic root of 1343343251 is about 1103.3898872283.

Adding to 1343343251 its reverse (1523433431), we get a palindrome (2866776682).

The spelling of 1343343251 in words is "one billion, three hundred forty-three million, three hundred forty-three thousand, two hundred fifty-one".